| Message ID | 20220406094703.8229-1-ming.qian@nxp.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | media: imx-jpeg: Add pm-sleep support for imx-jpeg | expand |
On 06.04.2022 12:47, Ming Qian wrote: > Wait finishing jpeg job before system sleep, > otherwise the encoding/decoding can't be resumed after suspend. > > Signed-off-by: Ming Qian <ming.qian@nxp.com> Reviewed-by: Mirela Rabulea <mirela.rabulea@nxp.com> > --- > .../media/platform/nxp/imx-jpeg/mxc-jpeg.c | 24 +++++++++++++++++++ > 1 file changed, 24 insertions(+) > > diff --git a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c > index ccc26372e178..3df51d866011 100644 > --- a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c > +++ b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c > @@ -2356,9 +2356,33 @@ static int mxc_jpeg_runtime_suspend(struct device *dev) > } > #endif > > +#ifdef CONFIG_PM_SLEEP > +static int mxc_jpeg_suspend(struct device *dev) > +{ > + struct mxc_jpeg_dev *jpeg = dev_get_drvdata(dev); > + > + v4l2_m2m_suspend(jpeg->m2m_dev); > + return pm_runtime_force_suspend(dev); > +} > + > +static int mxc_jpeg_resume(struct device *dev) > +{ > + struct mxc_jpeg_dev *jpeg = dev_get_drvdata(dev); > + int ret; > + > + ret = pm_runtime_force_resume(dev); > + if (ret < 0) > + return ret; > + > + v4l2_m2m_resume(jpeg->m2m_dev); > + return ret; > +} > +#endif > + > static const struct dev_pm_ops mxc_jpeg_pm_ops = { > SET_RUNTIME_PM_OPS(mxc_jpeg_runtime_suspend, > mxc_jpeg_runtime_resume, NULL) > + SET_SYSTEM_SLEEP_PM_OPS(mxc_jpeg_suspend, mxc_jpeg_resume) > }; > > static int mxc_jpeg_remove(struct platform_device *pdev)
diff --git a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c index ccc26372e178..3df51d866011 100644 --- a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c +++ b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c @@ -2356,9 +2356,33 @@ static int mxc_jpeg_runtime_suspend(struct device *dev) } #endif +#ifdef CONFIG_PM_SLEEP +static int mxc_jpeg_suspend(struct device *dev) +{ + struct mxc_jpeg_dev *jpeg = dev_get_drvdata(dev); + + v4l2_m2m_suspend(jpeg->m2m_dev); + return pm_runtime_force_suspend(dev); +} + +static int mxc_jpeg_resume(struct device *dev) +{ + struct mxc_jpeg_dev *jpeg = dev_get_drvdata(dev); + int ret; + + ret = pm_runtime_force_resume(dev); + if (ret < 0) + return ret; + + v4l2_m2m_resume(jpeg->m2m_dev); + return ret; +} +#endif + static const struct dev_pm_ops mxc_jpeg_pm_ops = { SET_RUNTIME_PM_OPS(mxc_jpeg_runtime_suspend, mxc_jpeg_runtime_resume, NULL) + SET_SYSTEM_SLEEP_PM_OPS(mxc_jpeg_suspend, mxc_jpeg_resume) }; static int mxc_jpeg_remove(struct platform_device *pdev)
Wait finishing jpeg job before system sleep, otherwise the encoding/decoding can't be resumed after suspend. Signed-off-by: Ming Qian <ming.qian@nxp.com> --- .../media/platform/nxp/imx-jpeg/mxc-jpeg.c | 24 +++++++++++++++++++ 1 file changed, 24 insertions(+)